Which is a characteristic of a plasmid used as a cloning vector? (Select all that apply.)
A) contains a selectable marker
B) contains an origin of replication
C) has several unique recognition sites for restriction enzymes
D) integrates into the host chromosome
E) can hold an insert of up to 300 kb
A) contains a selectable marker,
B) contains an origin of replication,
C) has several unique recognition sites for restriction enzymes
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Gibberellic acid:
A. stimulates fruit formation. B. inhibits photosynthesis. C. stimulates stem elongation. D. maintains seed dormancy. E. is overexpressed in semidwarf varieties of plants.
Which of the following represents the correct order?
Shown below are steps in making a transgenic plant. 1. Expose plant cells to Agrobacterium tumefaciens 2. Place plant cells on selective medium 3. Transform the recombinant plasmid into Agrobacterium tumefaciens 4. Insert gene of interest into Ti plasmid 5. Place plant cells on growth medium with plant hormones A. 5 - 1 - 4 - 3 - 2. B. 4 - 3 - 1 - 2 - 5. C. 4 - 1 - 3 - 5 - 2. D. 2 - 4 - 1 - 3 - 5. E. None of the choices shows the correct order.
Innate immunity begins when ____
a. triggered by adaptive immunity b. PAMP receptors bind to antigen c. white blood cells start dividing d. complement proteins are released e. PAMPs are detected
For which of the following diseases would animal models likely yield the most information?
A. Alcoholism D. Huntington disease B. Schizophrenia E. PKU C. Bipolar disorder